From the Universe to the Atom

1

Rutherford's Nuclear Model of the Atom

The Gold Foil Experiment

›

2

Properties of the Nucleus

Protons, Neutrons, and Isotopes

›

3

Radioactive Decay

Alpha, Beta, and Gamma Radiation

›

4

Half-Life

Quantifying the Rate of Radioactive Decay

›

5

Mass Defect and Nuclear Binding Energy

The Energy Holding the Nucleus Together

›

6

Nuclear Fission

Splitting Heavy Nuclei to Release Energy

›

7

Nuclear Fusion

Combining Light Nuclei — The Power Source of Stars

›

8

Bohr's Model of the Atom and Atomic Spectra

Quantised Electron Energy Levels

›

9

Limitations of the Bohr Model and the Quantum Mechanical Model

Beyond Simple Planetary Orbits

›

10

The Standard Model: Fundamental Particles

The Building Blocks of All Matter and Force

›

11

Particle Accelerators and Evidence for Subatomic Particles

Probing the Structure of Matter

›

12

Nucleosynthesis — The Origin of the Elements

How Every Atom in Existence Was Forged

›

13

Evidence for the Big Bang

How We Know the Universe Had a Beginning

›

14

From the Universe to the Atom: Integrated Review

Connecting the Smallest and Largest Scales of Physics

›